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1. 12:15 PM - Re: KX155 noise-only (zwakie)
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Subject: | Re: KX155 noise-only |
I have good news: I found the cause!
It turned out that the nav section's volume was not completely turned to silent.
The volume knob was just a fraction from being closed, so I was very surprised
that this fraction totally blocked the COM audio to my headset. Valuable lesson
learned.
What I would like to do next, is to find a way to minimize this effect. Any ideas?
Marcel
zwakie wrote:
> Hi Charlie,
>
> First of all, thanks for responding to this newbee's question!
>
>
> ceengland(at)bellsouth.ne wrote:
> > What kind of noise?
>
> Very similar to what you can hear in the WAV file in this ZIP-file, yet frequency on my radio seems to be a bit lower than in this sample: Sample White Noise (http://www.dogstar.dantimax.dk/testwavs/white.zip)
> So yes it is white noise.
>
>
> ceengland(at)bellsouth.ne wrote:
> > If so, does the radio's volume control have no effect on the noise volume?
>
> Negative. I did however notice that there was a slight drop in volume when pulling
the COM kHz selector knob or the NAV IDENT knob.
>
>
> ceengland(at)bellsouth.ne wrote:
> > If no effect, have you checked the nav section's volume?
>
> Not sure if I have this checked, will do it next time at the hangar.
>
>
> ceengland(at)bellsouth.ne wrote:
> > If it's not white noise, and the nav volume is in fact turned down, and
> > the comm volume is in fact turned down, is it a hum or buzz?
>
> Don't know, will check as well.
>
>
> ceengland(at)bellsouth.ne wrote:
> > If so, is it still there if you unplug your mic cord?
>
> Don't know either, will have to check.
>
>
> ceengland(at)bellsouth.ne wrote:
> > If so, it might be that the audio output of the radio really does have a problem.
>
> Let's hope we won't have to reach that conclusion [Wink]
>
> Thanks.
> Marcel
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http://forums.matronics.com/viewtopic.php?p=264765#264765
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